I have just received a set of collimaton knobs and springs from astronomy shoppe. These will be installed on my xt12 classic. Has anyone used these? By the way...
Dan; I believe Ken's Rings makes a side by side arrangement to fit your mount but I would recommend piggybacking as probably easier to balance acceptably from...
Dear Group: First the "praise" ... I have an Orion StarBlast (the "mini-dob" version)and I love the scope ... good images, very portable and easy to use, and...
Dear Group: I have an Orion StarBlast (love it!) but notice with even "high-end" EP's (I have a Televue 24 panoptic and 14 mm radian) there's still some coma...
Jay, I assume your concern is to avoid having set screw marks on your premium EPs. If this is the case, then do not worry. I believe StarBlast set screws are...
Hello, and thanks for your comment. I will check the set screws. I thought they were metal, but if so another simple option might be to replace them with...
Jay, it sounds like a collimation issue. I highly doubt it is due to your premium EPs. As you know, StarBlast is an F4 fast scope which requires accurate...
Jay, why would the nylon screws be better than the existing plastic ones (I am certain the screws are plastic but double check)? Both will not scratch the EPs....
Hello Jason, the eyepiece set screws on my StarBlast are definitely metal, possibly plated steel (some non-magnetic alloy). The diameter of the screws is...
Jay, I just rechecked the screws and it is really hard to tell. They could be made of some non-magnetic alloy as you suggested. If the set screw marks on the...
Hello Jason, per your suggestion I did check the location of the StarBlast primary mirror donut ... and found it 2-3 mm off-center. Could you pls describe how...
2.8mm measured is almost certainly a 3mm nominal screw and you can get those in Nylon on the web from Scopestuff.com. Threaded screws almost invariably are...
I damped the center spot with isopropyl using a cotton swab. Give it time and periodically reapply the isopropyl. Do not soak – just damp. Eventually, the...
Hi Jason, sounds like good advice on removing the donut ... thanks. Next, what do you suggest for 1) how to locate the exact mirror center 2) what kind of new...
When I bought Orion's laser collimator a while ago, it came with extra spot donuts which are identical to the one that came with the StarBlast. Call Orion and...
A free website where you can create your own astrophoto albums and upload up to a gigabyte of your own photos. We also have a weekly photo contest and a forum...
Hello all, I just posted new images in my folder http://www.pbase.com/legiorgi/new_images Details in the images. Please comment. Regards, Luiz Giorgi Sao...
Does anyone have experience with the new 6" f5 Imaging OTA? Is there much coma at the edges? Would this benefit from the multi purpose coma corrector? Mike...
... I am trying one out for the first time tonight on a CGE mount, imaging the Bubble in H-alpha with an ST402. Still acquiring images, so no post-processing ...
Hello, a quick one. I am thinking to buy the Accufocus unit from Orion. I have 2 OTA's: 5.1" Skywatcher short tube (made by Synta) 10" Skymentor (made by Guan...
... accufocus ... Liviu, the things I can see that may be an issue are the following. Shaft diameter of the focuser versus the accufocus and then the mounting...
Hello Jason, I've just completed removing the old primary mirror donut and affixing a new one. I used your advice for removal ... soaking with alcohol, which...
... Hello Jay, Glad to hear that you were successful in centering the donut. Well-collimate laser or a sight-tube/chesire combo piece will do just fine. ...
I have been increasingly dissatisfied with the performance of my SkyView Pro mount, especially with the colder weather. Since I found a couple of sites that...
Dear Group: I have a "standard" SkyViewPro mount (no go-to capability, single-axis motor drive). Nice mount ... I'm using it with good success for visual...
Dear Group: I have a "standard" SkyViewPro mount (no go-to capability, single-axis motor drive). Very nice mount ... I'm using it with good success for visual...
Jay, I have the same vintage SVP mount as you and am not sure about the pads you speak of. However, if they need replacing and you don't want to use Teflon,...
Hello Mel, I had had exactly the same thought ... they may indeed be made from Delrin, or a very similar polymer. The color is a bit off-white compared to...
I have a late 2006 vintage XT8 that I purchased on special for $300 right before Orion came out with the version with the standard Crayford. I have been...
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